Swansea Coroner's Office has told ITV News that further tests will now be carried out on Gareth Colfer-Williams, which are expected to take six to eight weeks.
His family have raised questions about the medical care he received in the days before his death.
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Fine and sunny tomorrow morning with lots of sunshine to start the day. Feeling colder though, with maximum temperatures of 13°C.
Kathryn Tresilian reports from the town where the body of a 47-year-old woman was found dismembered in Pontypridd on Friday.
Some bright spells this afternoon, with outbreaks of rain. Top temperature 15°C.